Itching around the breasts during the monthly period may be due to eczema, skin allergies, mammary gland diseases, etc., and you should consult a doctor in time to find out the cause of the disease. 1. Eczema: When itchy symptoms appear on the breasts, accompanied by red rashes, small blisters and other undesirable manifestations, eczema is most likely to be the cause. 2. Skin allergies: Itchy breasts during the month may also be due to skin allergies, which is mainly due to the endocrine influence, resulting in an allergic reaction to some of the materials in the special underwear for breastfeeding. 3. Breast Disease: Mastitis can also be characterized by itching around the breasts. It is recommended to stop breastfeeding and take active treatment to control the condition, otherwise it may affect the child. The itching around the breasts during the month may also be caused by other factors, it is recommended that the patient consult a doctor in time to clarify the cause of the disease, and then give targeted treatment.